Home / 1,550,127.12-2,139,238.80-871,062

Finding the Fourth Proportional to 1,550,127.12, 2,139,238.80 and 871,062

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Solution

The fourth proportional to 1,550,127.12, 2,139,238.80 and 871,062 is: 1,202,101.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,127.12 : 2,139,238.80 = 871,062 : x
  2. Step 2: Convert to fraction form
    1,550,127.12/2,139,238.80 = 871,062/x
  3. Step 3: Cross multiply
    1,550,127.12x = 2,139,238.80 × 871,062
  4. Step 4: Simplify right side
    1,550,127.12x = 1,863,409,627,605.60
  5. Step 5: Solve for x
    x = 1,863,409,627,605.60/1,550,127.12
  6. Step 6: Final answer
    x = 1,202,101.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.